Tipping car



July 17, lzs. 1,677,263

o. BALLERT TIPPING can Filed May 9, 1927 2 sheets-sheet 1 O. BALLE R TTIPPING CAR July v17, 1928.

Filed May 9, 1927 2 sheets-Sheet 2' Patented July 17, 1928.

UNITED STATES I l 1,677,263 PATENT orrics.

oTTo Benner, or Bnntu, GERMANY; l.

TIPPING GAR.

Application led May 9, 1927, Serial No. 190,062, andi nrermanyYV anuary9, 1926i This invention relates to a hydraulic tipping device for theloading floor or the car body of three-way tipping cars, especiallyfreight motor-cars, and the gist of the inventi'on resides therein that,apart from the controlling device proper, by which the: source of power,viz, liquid under pressure, is controlled, a. separate device isprovided by which the looking, as well as the releasing of the turningjoints for said floor orv body is regulated.

Therev have been distinguished up to now, as is known, twolfundamentally different types ofl devices for the purpose in view, viz:

First, that type in which, prior to starting the control-gear of the:source of power, a number of the turning joints are opened mechanicallyand the others are closed Ine-- chanically by manual actuation, and

Second, that typeV in which Vthe turni-ng joints are acted on by thesource of power itself, i. e. by the liquid under pressure, by theintermediary of a separate device, inf` such a way, that some of` saidjoints are opened automatically by said liquid.

In both cases the turning joints are ,opened by means of a separatedevice, and in the first of said cases. also the closing is', undercircumstances, effected by means of that device.

New, in contradistinction thereto the. present invention consiststherein that opening the turning joints for the loading floor or the carbody is effected indirectly by thisfloor or' body itself without aseparatey device and that a separate gear movementy is: provided bywhich the closing heads for the turning joints or `bearings of the saidfloor or body are released or locked in dez pendency ofthe position ofthe control-gear A for thev source of power'.V

The invention is illustrated diagrammati cally and way of example in theaccompanying drawing in which Figure 1fV is a planl of the control-gearand the separate gear" movement, together with the turning bearings forthe loadingfloor or car body, the parts being shownl in the 'position inwhich the floor or body canbe tipped to the left Figures 21,V 3 and tare sections taken on, they lines A+B, C-D and E-F respectively of Fig.1', and Figure 5 is a sectional view of modified constructional detail.

The device consists of a shaft 1 which is provided. with a grip 2 and apinion 3, this latter-:meshing with teethy 4e provided on: a ledge 51-carriedv by vone of the' longitudinal girders; of theframe of thecarxand' being' shi'ftable at .or in the respective girder. A similarledge 6 ifs arranged practically in the' same I-nannerl ator in theother longitudinal girder ofthe frame and isy connecte-d with the; ledge5 in a positive' manner by double-armed levers' -7 and. 8, the thuscoupled members forming a sor-called cineL maticchain. Said levers aresupported at their centerportions 9 and 10 at the frame, and theirslotted ends'are engaged by pinsL 11,12, liand 14 projecting from theledges 5` and 6. Inconsequence thereof of every position of one ledge adefinrte position corH responds for the other ledge'.k x

order-tof obviate any dead play between they members ofl the cinematicchain, each ofl asy shown'. in Fig. 2, the opposite endsof the partslbeing, shaped as shown and. connected with each other by a tensionspring 58.A The otherends' of the ledge parts are provided with 'holes15: and'. slot-like hol-eextensions 16, and the diameter of saidl holesis such' tl-iat'.heads-.1?,` 18,319 and 2.0 providedy at` the ends ofrods 21, 22, 23 and 24 can 'enter intol and through theinf.. These rodsare con-- nected attheir' othert endsl with locking heads 25, 26, 27 and28` which Vcov-operate with the .the ledges. 5? and 6 may comprise twoparts,

turn-ing bearingsjfor the leading floor'i'nV the rn'anner hereinafterdescribed. The rods 2-1-24e are;` supported ini the axlesl 59,60, 61 and62. pertaining to said bearings. y

In: the: constructional form: shown in Figs. it-4: the locking heads.are yrigidly connected with the outer. ends' ofthe rods 2'1-'24:, but

the modificationshown Fig. V5 they are movablyconneeted. with said:rods, as well as with. the axles' mentioned. j

Y The said vheadsk have oblique facesf'or noselile projections 29?, 30;,31 and 32 and are pressed by'springsiO against pivots 41./ The length ofthe slots 16 is such :that thelecliges 5 and 6 can` be shiftedlongitudi-y nally and receive irri-said slots therods 2'1--241 wherebytheset lattery can' be locked' in certain positions due toy thfefactAthat the heads v 17T-20F cannotv passthrough said slots.v

The control device carried'by the. bracket 335,; 1,l consists; of ahand-lever 34,111 sha-ft 35de which this lever is: affixed, and acraanlrarrn'36` also secured to'said shaft'.

Theicrarrk-arm ifs'connected with a projection 38; which can passthrough recesses 39 ofy the led 5 only when this ledge is in certain denite positions, whereas the rod 37 is checked in all other positions vofthe ledge l5 whereby the control gear is locked. The

attendant can, therefore., actuate this gear only after having shiftedthe ledge 5 into a certain definite position.

The rod 37 extends over both ledges (5 and 6) to another crankarm 36Etconnected with said rod, as well as with another handlever 34* by whichthe rod 37 can be actuated Valso from the other side of the car. The rod37 is, furthermore, provided with a pin 42 engaging a slotted arm ofabellcrank lever 43 rotatable on a bolt 44 attached to the frame ofthecar. The other arm of the bell-crank lever is connected with one endof a rod 45, the other end of which is coupled ywith theadjusting-device of the control member 46 housed in the casing ot thelifting device. The rod, or control-rod, 45* extends through the liquidreceptacle of the pump in such a manner that it has a certain free playand can follow freely the lateral movements of the lifting device.`

As long as the control lever is not adjusted for lowering, or asV longas the tipping I has not proceeded so farthat the locking heads 25, 26,27 and 28 have been moved into the locking position by means of thesprings 40, the position of the members for the time being cannot bechanged. VThis might be possible, however. during the lowering of theloading oor,but means are provided for preventing any undesiredre-adjustment. .This means consistsof recesses 56 (Fig. 1) -in the ledge6,: a projection 53 y adopted to kengage any one of said recesses,

and a spring 54, Fig. 3, holding said projectionr in the respectiverecess as long as the loadingfloor is not supported in any of itstipping positions. The projection 53 i is inserted into asliding bolt 55subjected to the pressure of a spring 54 which' tends Vto hold the boltcontinually in Araised posi# tion. As long as the loading floor, or thecar-body respectively, restsY upon all supporting points the bolt is`kept continually depressed counter to the pressure of the spring 54, inconsequence ywhereof the projection 53 does not engage any of therecesses 56. But when the loading floor or the Y car body is tipped, thebolt 55V will` be lifted l no and without any damage to the Vcontrolgear, as the spring 48 will be compressed in that case.

' The locking heads 25-28 operateas follows:

In lthe construction according to Figs. 1 4, the locking heads 25-28 arerigidly secured to the outer ends of rods 21-24. They are under theinfluence of Asprings 4() as shown in Fig. 4. These springs, at one end,abut against a shoulder of the rotatable aXle, as for instance, therotary bearing arms or axles 59-62. rlhe other end of the springs bearVagainst shoulders of the locking heads and exert pressure in order thatthe locking heads may be forced in the locking position in which theylie against the pivots 41 when the body of the car is in the lowestposition and they grip the lower angular surfaces. The other inner endof the rods 21H24 'terminate in rigid heads 17-20,`shown in Figs. 1 and4. VAt the point where the heads 17-2O are yprovided on the rods 21e-24,ledges 5 and 6 are arranged, having perforations 15 therein which are ofsuch a size that the heads la7-20 can enter therein when suchperforations lie directly in front thereof. The perforations themselvesare connected to `each other by means of slots 16 which also projectbeyond the sides of the perforations. The length of the rods 21--24 areso arranged that their heads 17-20 project into the ledges 5 andy 6 whenthe body is set loo down whereby the rods 21-24 will project through theslots 16. The slots 16 are so wide that Vthe ledges 5 and 6 can be movedover rods 21-424. It is, therefore, possible to move the ledges 5 and 6with the aid of the parts'l, 2 and 3 and thus secure a definiteconnection. Thereby the ledges are so adjusted that, las vshown in Figs.1 and 2,

two rod heads 19 and 20 will not lie in front of their perforations 15of the ledge 5 but will be at the side thereof in front of the slot,while the rod heads 17 and 18 directly opposite will bein front of theirrespective f perforations 15 of the `ledge 6. Ifnow the control isplaced in operation, that is, the hydraulic tipping arrangement is seftto lift -the body, then the body of the car will be raised and thepivots 41 will vabut against thc angular surfaces of the locking heads25-28. .Since the heads 19 and 20 of the rods 23 and 24, to which thelocking heads 27 and 28 are arranged, are secured by means ofthe ledge5, the locking heads 27 and 28 cannotmove away but must remain in theirY separate change-position device comprisingk positions. The pivots 41of the opposite locking heads 25 and 26 operate by means of the wedgingaction of the l(ngular surfaces so that the locking heads will operateoutwardly against the force of the springs since the heads 17 and 18 ofrods Q1 and 22 can project into the perforations 15 of the ledge 6. Thebody or" the car will thereiore tip to the left. in Fig. 1, the lockingheads are shown in open position whereby the heads 17 and 18, asillustrated, lie in the perforations 15 of the ledge 6. As soon as thepivots 41 have gripped with the angular surfaces of the locking heads 25and 26, they Will set themselves again in a closing position due to theoperation of the spring 40. In lowering the car, the various operationsare repeated in reverse manner. The pivots 41 will lie against the upperangular surfaces of the locking heads 25 and 26 whereby they will movethemselves outwardly against the force of the springs 40 and as soon asthe pivots 41 lie in their bearing, the locking heads will move inwardlyautomatically under the influence of the springs 40.

I claim: e

1. A three-way hydraulic tipping device comprising a supporting framehaving bearings and body latches; a body having com bined pivot andbearing members; springactuated locking heads forming parts of saidbearings and each having two oblique faces adapted to cause automaticopening of the heads when the body is lifted or lowered, a

two parallel, longitudinally movable ledges at right angles with respectto the saidv ledges andhaving enlarged ends adapted' to pass throughsaid holes, said rods being connected with the said locking heads.

' 2. A three-way hydraulic tipping -device comprising a supporting framehaving bearings and body latches; a body having combined pivot andbearing members; springactuated locking heads forming parts of saidbearings and each having two oblique faces adapted to cause automaticopening of the heads when the body is lifted or lowered, a

separate change-position device comprising two parallel and`longitudinally movable ledges and havingkholes therein and vslotsforming extensions of said holes, and one of saidvledges hav-ing lateralrecesses; doublearmed levers connecting said ledges with each other toform a cinematic chain; rods arranged at right angles with respect tothe said ledges and having enlarged ends l adapted to pass through saidholes, said rods being connected with the said locking heads; and aspringactuated bolt and a pin inserted Jtherein and being adapted tocooperate with any one of the recesses of one of the said ledges.

In testimony whereot1 I have laflixed my signature.

' Y oTTo BALLERT.

